PROGRAMMING:Finding odd sum within 100
This topic requires to calculate the sum of all odd numbers within 1 to 100, and output the calculation results.
###Input format:
There is no input.
###Output format:
Sum = odd sum
###Input example:
There is no input.
```in
```
###Output example:
The corresponding output is given here. For example:
```out
sum=2500
```
answer：If there is no answer, please comment
###Input format:
There is no input.
###Output format:
Sum = odd sum
###Input example:
There is no input.
```in
```
###Output example:
The corresponding output is given here. For example:
```out
sum=2500
```
answer：If there is no answer, please comment